Diaphragm seals of flange design, Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual
Page 161
SITRANS P measuring instruments for pressure
Diaphragm seals of flange design
For gage, absolute, differential pressure and flow
with flexible capillary
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Siemens FI 01 · 2009
2
■
Overview
Diaphragm seals of flange design
■
Technical specifications
Diaphragm seals of flange design with flexible capillary
Nominal diameter
Nominal pressure
• DN 50 (recommendable only for
pressure transmitters for pressure)
PN 10 ... PN 40, PN 100
• DN 80
PN 10 ... PN 40, PN 100
• DN 100
PN 16, PN 40
• DN 125
PN 16, PN 40
• 2 inch (recommendable only for
pressure transmitters for pressure)
Class 150, class 300, class 600,
class 1500
• 3 inch
Class 150, class 300, class 600
• 4 inch
Class 150, class 300, class 400
• 5 inch
Class 150, class 300, class 400
Sealing face
• For stainless steel, mat.
No. 1.4404/316L
To EN 1092-1, form B1 or
ASMR B16.5 RF 125 ... 250 AA
• For the other materials
To EN 1092-1, form B2 or
ASME B16.5 RFSF
Materials
• Main body
Stainless steel 316L
• Wetted parts
Stainless steel 316L
• Without foil
• PTFE (for vacuum on request)
• ECTFE (for vacuum on request)
• PFA (for vacuum on request)
Monel 400, mat. No. 2.4360
Hastelloy C276, mat. No. 2.4819
Hastelloy C4, mat. No. 2.4610
Tantalum
• Capillary
Stainless steel, mat.
No. 1.4571/316Ti
• Sheath
Spiral hose made of stainless
steel, mat. No. 1.4404/316L
Sealing material in the process
flanges
• For pressure transmitters, absolute
pressure transmitters and low-
pressure applications
Copper
• For other applications
Viton
Maximum pressure
See above and the technical data
of the pressure transmitter
Tube length
Without tube as standard (tube
available on request)
Capillary
• Length
Max. 10 m (32.8 ft), longer
lengths on request
• Internal diameter
2 mm (0.079 inch)
• Minimum bending radius
150 mm (5.9 inch)
Filling liquid
(for remote seals of sandwich and
flange design)
Silicone oil M5
Silicone oil M50
High-temperature oil
Halocarbon oil (for measuring O
2
)
Food oil (FDA listed)
Glycerine/water (not for use in
low-pressure range)
Permissible ambient temperature
Dependent on the pressure trans-
mitter and the filling liquid of the
remote seal
More information can be found in
the technical data of the pressure
transmitters and in the section
"Technical data of filling liquid" in
the Technical description to the
remote seals
Weight
Approx. 4 kg (8.82 lb)
Certificate and approvals
Classification according to pressure
equipment directive
(DRGL 97/23/EC)
For gases of fluid group 1 and liq-
uids of fluid group 1; complies
with requirements of article 3,
paragraph 3 (sound engineering
practice)
© Siemens AG 2008